20558012

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 16455748

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 971, 1942, 3884, 5293, 10586, 21172, 65057, 76709, 130114, 153418, 260228, 306836, 5139503, 10279006, 20558012]

約数ペア:

[(1, 20558012), (2, 10279006), (4, 5139503), (67, 306836), (79, 260228), (134, 153418), (158, 130114), (268, 76709), (316, 65057), (971, 21172), (1942, 10586), (3884, 5293)]